Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
scrumptious is an adjective meaning "extremely pleasing to the sense of taste". It carries one recorded sense.
extremely pleasing to the sense of taste
Definitions, synonyms and semantic relations for scrumptious come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.